Best year time to visit Kosai

General weather information about Kosai

Average annual temperature is 16.9 °C

Absolute maximum temperature: 34.7 °C

Absolute minimum temperature: -3.6 °C

Number of sunny days: 180

Number of rainy days: 184

Number of snow days: 1

Average annual precipitation: 2016 mm

Look at detailed online map of Kosai

* Weather data for Kosai Japan is based on climate observations for 2023 year

Kosai air temperature forecast for each month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Absolute maximum temperature (°C) 15.3 16.5 21.2 23.9 26.3 29 34.7 34.1 30.9 27.8 25.4 19.6
Average daytime temperature (°C) 9.2 10.8 15.8 18.4 21.6 24.8 30 30.3 28.9 22.2 17.6 12.6
Average temperature (°C) 5.8 7 12.1 15.2 18.7 22.2 27 27.6 26 18 13.8 8.9
Average night temperature (°C) 2.7 3.6 8.3 11.8 15.9 20 24.1 25.1 23.2 14.3 10.4 5.8
Absolute minimum temperature (°C) -3.6 -0.8 2.6 5.3 10.8 15.7 21.2 22.6 18.3 10.3 4.6 0.5

Kosai monthly weather indicators

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daylight maximum duration (h) 10.5 11.4 12.5 13.6 14.3 14.5 14.5 13.9 12.9 11.8 10.8 10
Daylight mean duration (h) 10.1 10.9 12 13.1 14 14.4 14.2 13.4 12.4 11.3 10.4 9.9
Daylight minimum duration (h) 9.9 10.5 11.4 12.6 13.6 14.3 13.9 13 11.9 10.8 10 9.8
Sunshine mean duration (h) 7.8 7.6 8.5 8.5 9.1 7.9 11.3 10.5 9.7 9.1 7.7 7.5
Precipitation (mm) 52 81 158 168 238 501 59 201 188 164 126 80
Sunny days 20 19 17 16 13 12 13 2 7 19 20 22
Rainy days 10 9 14 14 18 18 18 29 23 12 10 9
Snow days 1

Kosai - weather forecast by months

January February March April May June July August September October November December

Best time to visit Kosai:

The best time to visit Kosai during the most sunny months:

  • July — 11.3(h)

The largest precipitation sum in Kosai is at

  • May — 238(mm)
  • June — 501(mm)

Weather forecast in the closest to Kosai admin centers